Ülemist

Ülemiste is a lake located in the southeastern part of Tallinn, Estonia. It is the primary source of drinking water for the city. The lake has a surface area of approximately 2.1 square kilometers and an average depth of about 2.4 meters. Its drainage basin covers a significant area, contributing to its water supply.

The lake's history is intertwined with the development of Tallinn. For centuries, Ülemiste has been vital for the city's water needs. Legend has it that the lake is guarded by the Old Man of Ülemiste, who will drown the city if its citizens ever find his lost boots. This folklore highlights the lake's importance to the people of Tallinn.

In modern times, the lake's water quality is carefully monitored and managed to ensure a safe supply for the residents. Various measures are in place to protect the lake from pollution, including restrictions on activities in its vicinity and regular water testing. The surrounding area also serves as a natural habitat for various plant and animal species, contributing to local biodiversity. Access to the immediate vicinity of the lake is generally restricted to prevent contamination.